Transport
- Reopening of the Nijmegen - Kleve railway link: freelance advisor and working group member for the initiative to reopen this cross-border link, between the Netherlands and Germany (since 2004)
- Traffic and transport plan for the province of Gelderland, the Netherlands: regional coordination and editing of (regional) paragraphs and annexes (2002-2003, Province of Gelderland/Regio Achterhoek)
- Reopening of the
Enschede-Gronau railway link, re-establishing this cross-border railway between
the Netherlands and Germany (1990-2001, EUREGIO)